#include <iostream>
#include <vector>
using std::cout;
using std::vector;

int main() {
    // Add your code here.
   vector<vector<int>> board=
                           {{0, 1, 0, 0, 0, 0},
                            {0, 1, 0, 0, 0, 0},
                            {0, 1, 0, 0, 0, 0},
                            {0, 1, 0, 0, 0, 0},
                            {0, 0, 0, 0, 1, 0}};
  
    // Write your double loop here.
    // print all elements in board.
  for(int i=0;i<board.size();i++){
    for (int j = 0; j < board[i].size(); j++)
    {
      cout<<board[i][j]<<' ';
    }
    cout<<'\n';
  }
   
}